Generate tests

test/language/expressions/assignment/dstr/array-elem-put-obj-literal-prop-ref-init-active.js

@@ -0,0 +1,69 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-assignment/array-elem-put-obj-literal-prop-ref-init-active.case
+// - src/dstr-assignment/default/assignment-expr.template
+/*---
+description: The DestructuringAssignmentTarget of an AssignmentElement can extend to LHSExpressions if it is neither an ObjectLiteral nor an ArrayLiteral and its AssignmentTargetTyp is simple. Using MemberExpression (ObjLiteral + identifier) with activated initializer. (AssignmentExpression)
+esid: sec-variable-statement-runtime-semantics-evaluation
+es6id: 13.3.2.4
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    VariableDeclaration : BindingPattern Initializer
+
+    1. Let rhs be the result of evaluating Initializer.
+    2. Let rval be GetValue(rhs).
+    3. ReturnIfAbrupt(rval).
+    4. Return the result of performing BindingInitialization for
+       BindingPattern passing rval and undefined as arguments.
+
+    Syntax
+
+    AssignmentPattern : ArrayAssignmentPattern
+    ArrayAssignmentPattern : [ AssignmentElementList ]
+    AssignmentElementList : AssignmentElisionElement
+    AssignmentElisionElement : Elision_opt AssignmentElement
+    AssignmentElement : DestructuringAssignmentTarget Initializer_opt
+    DestructuringAssignmentTarget : LeftHandSideExpression
+
+    Static Semantics: Early Errors
+
+    DestructuringAssignmentTarget : LeftHandSideExpression
+
+    - It is a Syntax Error if LeftHandSideExpression is either an ObjectLiteral or an ArrayLiteral and if LeftHandSideExpression is not covering an AssignmentPattern.
+    - It is a Syntax Error if LeftHandSideExpression is neither an ObjectLiteral nor an ArrayLiteral and AssignmentTargetType(LeftHandSideExpression) is not simple.
+
+    Runtime Semantics: DestructuringAssignmentEvaluation
+    ArrayAssignmentPattern : [ AssignmentElementList ]
+
+    1. Let iteratorRecord be ? GetIterator(value).
+    2. Let result be IteratorDestructuringAssignmentEvaluation of AssignmentElementList with argument iteratorRecord.
+    3. If iteratorRecord.[[Done]] is false, return ? IteratorClose(iteratorRecord, result).
+    4. Return result.
+
+    Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+    AssignmentElement : DestructuringAssignmentTarget Initializer
+
+    1. If DestructuringAssignmentTarget is neither an ObjectLiteral nor an ArrayLiteral, then
+      a. Let lref be the result of evaluating DestructuringAssignmentTarget.
+    ...
+    7. Return ? PutValue(lref, v).
+
+---*/
+var x, setValue;
+
+var result;
+var vals = [undefined];
+
+result = [{
+  get y() {
+    throw new Test262Error('The property should not be accessed.');
+  },
+  set y(val) {
+    setValue = val;
+  }
+}.y = 42] = vals;
+
+assert.sameValue(setValue, 42);
+
+
+assert.sameValue(result, vals);

test/language/expressions/assignment/dstr/array-elem-put-obj-literal-prop-ref-init.js

@@ -0,0 +1,69 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-assignment/array-elem-put-obj-literal-prop-ref-init.case
+// - src/dstr-assignment/default/assignment-expr.template
+/*---
+description: The DestructuringAssignmentTarget of an AssignmentElement can extend to LHSExpressions if it is neither an ObjectLiteral nor an ArrayLiteral and its AssignmentTargetTyp is simple. Using MemberExpression (ObjLiteral + identifier) with initializer. (AssignmentExpression)
+esid: sec-variable-statement-runtime-semantics-evaluation
+es6id: 13.3.2.4
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    VariableDeclaration : BindingPattern Initializer
+
+    1. Let rhs be the result of evaluating Initializer.
+    2. Let rval be GetValue(rhs).
+    3. ReturnIfAbrupt(rval).
+    4. Return the result of performing BindingInitialization for
+       BindingPattern passing rval and undefined as arguments.
+
+    Syntax
+
+    AssignmentPattern : ArrayAssignmentPattern
+    ArrayAssignmentPattern : [ AssignmentElementList ]
+    AssignmentElementList : AssignmentElisionElement
+    AssignmentElisionElement : Elision_opt AssignmentElement
+    AssignmentElement : DestructuringAssignmentTarget Initializer_opt
+    DestructuringAssignmentTarget : LeftHandSideExpression
+
+    Static Semantics: Early Errors
+
+    DestructuringAssignmentTarget : LeftHandSideExpression
+
+    - It is a Syntax Error if LeftHandSideExpression is either an ObjectLiteral or an ArrayLiteral and if LeftHandSideExpression is not covering an AssignmentPattern.
+    - It is a Syntax Error if LeftHandSideExpression is neither an ObjectLiteral nor an ArrayLiteral and AssignmentTargetType(LeftHandSideExpression) is not simple.
+
+    Runtime Semantics: DestructuringAssignmentEvaluation
+    ArrayAssignmentPattern : [ AssignmentElementList ]
+
+    1. Let iteratorRecord be ? GetIterator(value).
+    2. Let result be IteratorDestructuringAssignmentEvaluation of AssignmentElementList with argument iteratorRecord.
+    3. If iteratorRecord.[[Done]] is false, return ? IteratorClose(iteratorRecord, result).
+    4. Return result.
+
+    Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+    AssignmentElement : DestructuringAssignmentTarget Initializer
+
+    1. If DestructuringAssignmentTarget is neither an ObjectLiteral nor an ArrayLiteral, then
+      a. Let lref be the result of evaluating DestructuringAssignmentTarget.
+    ...
+    7. Return ? PutValue(lref, v).
+
+---*/
+var x, setValue;
+
+var result;
+var vals = [23];
+
+result = [{
+  get y() {
+    throw new Test262Error('The property should not be accessed.');
+  },
+  set y(val) {
+    setValue = val;
+  }
+}.y = 42] = vals;
+
+assert.sameValue(setValue, 23);
+
+
+assert.sameValue(result, vals);

test/language/expressions/assignment/dstr/array-elem-put-obj-literal-prop-ref.js

@@ -0,0 +1,69 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-assignment/array-elem-put-obj-literal-prop-ref.case
+// - src/dstr-assignment/default/assignment-expr.template
+/*---
+description: The DestructuringAssignmentTarget of an AssignmentElement can extend to LHSExpressions if it is neither an ObjectLiteral nor an ArrayLiteral and its AssignmentTargetTyp is simple. Using MemberExpression (ObjLiteral + identifier). (AssignmentExpression)
+esid: sec-variable-statement-runtime-semantics-evaluation
+es6id: 13.3.2.4
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    VariableDeclaration : BindingPattern Initializer
+
+    1. Let rhs be the result of evaluating Initializer.
+    2. Let rval be GetValue(rhs).
+    3. ReturnIfAbrupt(rval).
+    4. Return the result of performing BindingInitialization for
+       BindingPattern passing rval and undefined as arguments.
+
+    Syntax
+
+    AssignmentPattern : ArrayAssignmentPattern
+    ArrayAssignmentPattern : [ AssignmentElementList ]
+    AssignmentElementList : AssignmentElisionElement
+    AssignmentElisionElement : Elision_opt AssignmentElement
+    AssignmentElement : DestructuringAssignmentTarget Initializer_opt
+    DestructuringAssignmentTarget : LeftHandSideExpression
+
+    Static Semantics: Early Errors
+
+    DestructuringAssignmentTarget : LeftHandSideExpression
+
+    - It is a Syntax Error if LeftHandSideExpression is either an ObjectLiteral or an ArrayLiteral and if LeftHandSideExpression is not covering an AssignmentPattern.
+    - It is a Syntax Error if LeftHandSideExpression is neither an ObjectLiteral nor an ArrayLiteral and AssignmentTargetType(LeftHandSideExpression) is not simple.
+
+    Runtime Semantics: DestructuringAssignmentEvaluation
+    ArrayAssignmentPattern : [ AssignmentElementList ]
+
+    1. Let iteratorRecord be ? GetIterator(value).
+    2. Let result be IteratorDestructuringAssignmentEvaluation of AssignmentElementList with argument iteratorRecord.
+    3. If iteratorRecord.[[Done]] is false, return ? IteratorClose(iteratorRecord, result).
+    4. Return result.
+
+    Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+    AssignmentElement : DestructuringAssignmentTarget Initializer
+
+    1. If DestructuringAssignmentTarget is neither an ObjectLiteral nor an ArrayLiteral, then
+      a. Let lref be the result of evaluating DestructuringAssignmentTarget.
+    ...
+    7. Return ? PutValue(lref, v).
+
+---*/
+var x, setValue;
+
+var result;
+var vals = [23];
+
+result = [{
+  get y() {
+    throw new Test262Error('The property should not be accessed.');
+  },
+  set y(val) {
+    setValue = val;
+  }
+}.y] = vals;
+
+assert.sameValue(setValue, 23);
+
+
+assert.sameValue(result, vals);

test/language/expressions/assignment/dstr/obj-prop-elem-target-obj-literal-prop-ref-init-active.js

@@ -0,0 +1,77 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-assignment/obj-prop-elem-target-obj-literal-prop-ref-init-active.case
+// - src/dstr-assignment/default/assignment-expr.template
+/*---
+description: The DestructuringAssignmentTarget of an AssignmentElement can extend to LHSExpressions if it is neither an ObjectLiteral nor an ArrayLiteral and its AssignmentTargetTyp is simple. Using MemberExpression (ObjLiteral + identifier) with active initializer. (AssignmentExpression)
+esid: sec-variable-statement-runtime-semantics-evaluation
+es6id: 13.3.2.4
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    VariableDeclaration : BindingPattern Initializer
+
+    1. Let rhs be the result of evaluating Initializer.
+    2. Let rval be GetValue(rhs).
+    3. ReturnIfAbrupt(rval).
+    4. Return the result of performing BindingInitialization for
+       BindingPattern passing rval and undefined as arguments.
+
+    Syntax
+
+    AssignmentPattern : ObjectAssignmentPattern
+    ObjectAssignmentPattern : { AssignmentPropertyList }
+    AssignmentPropertyList : AssignmentProperty
+    AssignmentProperty : PropertyName : AssignmentElement
+    AssignmentElement : DestructuringAssignmentTarget Initializer_opt
+    DestructuringAssignmentTarget : LeftHandSideExpression
+
+    Static Semantics: Early Errors
+
+    DestructuringAssignmentTarget : LeftHandSideExpression
+
+    - It is a Syntax Error if LeftHandSideExpression is either an ObjectLiteral or an ArrayLiteral and if LeftHandSideExpression is not covering an AssignmentPattern.
+    - It is a Syntax Error if LeftHandSideExpression is neither an ObjectLiteral nor an ArrayLiteral and AssignmentTargetType(LeftHandSideExpression) is not simple.
+
+    Runtime Semantics: DestructuringAssignmentEvaluation
+    ObjectAssignmentPattern : { AssignmentPropertyList }
+
+    1. Perform ? RequireObjectCoercible(value).
+    2. Perform ? PropertyDestructuringAssignmentEvaluation for AssignmentPropertyList using value as the argument.
+    3. Return NormalCompletion(empty).
+
+    Runtime Semantics: PropertyDestructuringAssignmentEvaluation
+
+    AssignmentProperty : PropertyName : AssignmentElement
+
+    1. Let name be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(name).
+    3. Perform ? KeyedDestructuringAssignmentEvaluation of AssignmentElement with value and name as the arguments.
+    4. Return a new List containing name.
+
+    Runtime Semantics: KeyedDestructuringAssignmentEvaluation
+
+    AssignmentElement : DestructuringAssignmentTarget Initializer
+
+    1. If DestructuringAssignmentTarget is neither an ObjectLiteral nor an ArrayLiteral, then
+      a. Let lref be the result of evaluating DestructuringAssignmentTarget.
+    ...
+
+---*/
+var setValue;
+
+var result;
+var vals = {x: undefined};
+
+result = { x: {
+  get y() {
+    throw new Test262Error('The property should not be accessed.');
+  },
+  set y(val) {
+    setValue = val;
+  }
+}.y = 42} = vals;
+
+assert.sameValue(setValue, 42);
+
+
+assert.sameValue(result, vals);

test/language/expressions/assignment/dstr/obj-prop-elem-target-obj-literal-prop-ref-init.js

@@ -0,0 +1,77 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-assignment/obj-prop-elem-target-obj-literal-prop-ref-init.case
+// - src/dstr-assignment/default/assignment-expr.template
+/*---
+description: The DestructuringAssignmentTarget of an AssignmentElement can extend to LHSExpressions if it is neither an ObjectLiteral nor an ArrayLiteral and its AssignmentTargetTyp is simple. Using MemberExpression (ObjLiteral + identifier) with initializer. (AssignmentExpression)
+esid: sec-variable-statement-runtime-semantics-evaluation
+es6id: 13.3.2.4
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    VariableDeclaration : BindingPattern Initializer
+
+    1. Let rhs be the result of evaluating Initializer.
+    2. Let rval be GetValue(rhs).
+    3. ReturnIfAbrupt(rval).
+    4. Return the result of performing BindingInitialization for
+       BindingPattern passing rval and undefined as arguments.
+
+    Syntax
+
+    AssignmentPattern : ObjectAssignmentPattern
+    ObjectAssignmentPattern : { AssignmentPropertyList }
+    AssignmentPropertyList : AssignmentProperty
+    AssignmentProperty : PropertyName : AssignmentElement
+    AssignmentElement : DestructuringAssignmentTarget Initializer_opt
+    DestructuringAssignmentTarget : LeftHandSideExpression
+
+    Static Semantics: Early Errors
+
+    DestructuringAssignmentTarget : LeftHandSideExpression
+
+    - It is a Syntax Error if LeftHandSideExpression is either an ObjectLiteral or an ArrayLiteral and if LeftHandSideExpression is not covering an AssignmentPattern.
+    - It is a Syntax Error if LeftHandSideExpression is neither an ObjectLiteral nor an ArrayLiteral and AssignmentTargetType(LeftHandSideExpression) is not simple.
+
+    Runtime Semantics: DestructuringAssignmentEvaluation
+    ObjectAssignmentPattern : { AssignmentPropertyList }
+
+    1. Perform ? RequireObjectCoercible(value).
+    2. Perform ? PropertyDestructuringAssignmentEvaluation for AssignmentPropertyList using value as the argument.
+    3. Return NormalCompletion(empty).
+
+    Runtime Semantics: PropertyDestructuringAssignmentEvaluation
+
+    AssignmentProperty : PropertyName : AssignmentElement
+
+    1. Let name be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(name).
+    3. Perform ? KeyedDestructuringAssignmentEvaluation of AssignmentElement with value and name as the arguments.
+    4. Return a new List containing name.
+
+    Runtime Semantics: KeyedDestructuringAssignmentEvaluation
+
+    AssignmentElement : DestructuringAssignmentTarget Initializer
+
+    1. If DestructuringAssignmentTarget is neither an ObjectLiteral nor an ArrayLiteral, then
+      a. Let lref be the result of evaluating DestructuringAssignmentTarget.
+    ...
+
+---*/
+var setValue;
+
+var result;
+var vals = {x: 23};
+
+result = { x: {
+  get y() {
+    throw new Test262Error('The property should not be accessed.');
+  },
+  set y(val) {
+    setValue = val;
+  }
+}.y = 42} = vals;
+
+assert.sameValue(setValue, 23);
+
+
+assert.sameValue(result, vals);

test/language/expressions/assignment/dstr/obj-prop-elem-target-obj-literal-prop-ref.js

@@ -0,0 +1,77 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-assignment/obj-prop-elem-target-obj-literal-prop-ref.case
+// - src/dstr-assignment/default/assignment-expr.template
+/*---
+description: The DestructuringAssignmentTarget of an AssignmentElement can extend to LHSExpressions if it is neither an ObjectLiteral nor an ArrayLiteral and its AssignmentTargetTyp is simple. Using MemberExpression (ObjLiteral + identifier). (AssignmentExpression)
+esid: sec-variable-statement-runtime-semantics-evaluation
+es6id: 13.3.2.4
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    VariableDeclaration : BindingPattern Initializer
+
+    1. Let rhs be the result of evaluating Initializer.
+    2. Let rval be GetValue(rhs).
+    3. ReturnIfAbrupt(rval).
+    4. Return the result of performing BindingInitialization for
+       BindingPattern passing rval and undefined as arguments.
+
+    Syntax
+
+    AssignmentPattern : ObjectAssignmentPattern
+    ObjectAssignmentPattern : { AssignmentPropertyList }
+    AssignmentPropertyList : AssignmentProperty
+    AssignmentProperty : PropertyName : AssignmentElement
+    AssignmentElement : DestructuringAssignmentTarget Initializer_opt
+    DestructuringAssignmentTarget : LeftHandSideExpression
+
+    Static Semantics: Early Errors
+
+    DestructuringAssignmentTarget : LeftHandSideExpression
+
+    - It is a Syntax Error if LeftHandSideExpression is either an ObjectLiteral or an ArrayLiteral and if LeftHandSideExpression is not covering an AssignmentPattern.
+    - It is a Syntax Error if LeftHandSideExpression is neither an ObjectLiteral nor an ArrayLiteral and AssignmentTargetType(LeftHandSideExpression) is not simple.
+
+    Runtime Semantics: DestructuringAssignmentEvaluation
+    ObjectAssignmentPattern : { AssignmentPropertyList }
+
+    1. Perform ? RequireObjectCoercible(value).
+    2. Perform ? PropertyDestructuringAssignmentEvaluation for AssignmentPropertyList using value as the argument.
+    3. Return NormalCompletion(empty).
+
+    Runtime Semantics: PropertyDestructuringAssignmentEvaluation
+
+    AssignmentProperty : PropertyName : AssignmentElement
+
+    1. Let name be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(name).
+    3. Perform ? KeyedDestructuringAssignmentEvaluation of AssignmentElement with value and name as the arguments.
+    4. Return a new List containing name.
+
+    Runtime Semantics: KeyedDestructuringAssignmentEvaluation
+
+    AssignmentElement : DestructuringAssignmentTarget Initializer
+
+    1. If DestructuringAssignmentTarget is neither an ObjectLiteral nor an ArrayLiteral, then
+      a. Let lref be the result of evaluating DestructuringAssignmentTarget.
+    ...
+
+---*/
+var setValue;
+
+var result;
+var vals = {x: 23};
+
+result = { x: {
+  get y() {
+    throw new Test262Error('The property should not be accessed.');
+  },
+  set y(val) {
+    setValue = val;
+  }
+}.y} = vals;
+
+assert.sameValue(setValue, 23);
+
+
+assert.sameValue(result, vals);

test/language/statements/for-of/dstr/array-elem-put-obj-literal-prop-ref-init-active.js

@@ -0,0 +1,78 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-assignment/array-elem-put-obj-literal-prop-ref-init-active.case
+// - src/dstr-assignment/default/for-of.template
+/*---
+description: The DestructuringAssignmentTarget of an AssignmentElement can extend to LHSExpressions if it is neither an ObjectLiteral nor an ArrayLiteral and its AssignmentTargetTyp is simple. Using MemberExpression (ObjLiteral + identifier) with activated initializer. (For..of statement)
+esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
+es6id: 13.7.5.11
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    IterationStatement :
+      for ( LeftHandSideExpression of AssignmentExpression ) Statement
+
+    1. Let keyResult be the result of performing ? ForIn/OfHeadEvaluation(« »,
+       AssignmentExpression, iterate).
+    2. Return ? ForIn/OfBodyEvaluation(LeftHandSideExpression, Statement,
+       keyResult, assignment, labelSet).
+
+    13.7.5.13 Runtime Semantics: ForIn/OfBodyEvaluation
+
+    [...]
+    4. If destructuring is true and if lhsKind is assignment, then
+       a. Assert: lhs is a LeftHandSideExpression.
+       b. Let assignmentPattern be the parse of the source text corresponding to
+          lhs using AssignmentPattern as the goal symbol.
+    [...]
+
+    Syntax
+
+    AssignmentPattern : ArrayAssignmentPattern
+    ArrayAssignmentPattern : [ AssignmentElementList ]
+    AssignmentElementList : AssignmentElisionElement
+    AssignmentElisionElement : Elision_opt AssignmentElement
+    AssignmentElement : DestructuringAssignmentTarget Initializer_opt
+    DestructuringAssignmentTarget : LeftHandSideExpression
+
+    Static Semantics: Early Errors
+
+    DestructuringAssignmentTarget : LeftHandSideExpression
+
+    - It is a Syntax Error if LeftHandSideExpression is either an ObjectLiteral or an ArrayLiteral and if LeftHandSideExpression is not covering an AssignmentPattern.
+    - It is a Syntax Error if LeftHandSideExpression is neither an ObjectLiteral nor an ArrayLiteral and AssignmentTargetType(LeftHandSideExpression) is not simple.
+
+    Runtime Semantics: DestructuringAssignmentEvaluation
+    ArrayAssignmentPattern : [ AssignmentElementList ]
+
+    1. Let iteratorRecord be ? GetIterator(value).
+    2. Let result be IteratorDestructuringAssignmentEvaluation of AssignmentElementList with argument iteratorRecord.
+    3. If iteratorRecord.[[Done]] is false, return ? IteratorClose(iteratorRecord, result).
+    4. Return result.
+
+    Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+    AssignmentElement : DestructuringAssignmentTarget Initializer
+
+    1. If DestructuringAssignmentTarget is neither an ObjectLiteral nor an ArrayLiteral, then
+      a. Let lref be the result of evaluating DestructuringAssignmentTarget.
+    ...
+    7. Return ? PutValue(lref, v).
+
+---*/
+var x, setValue;
+
+var counter = 0;
+
+for ([{
+  get y() {
+    throw new Test262Error('The property should not be accessed.');
+  },
+  set y(val) {
+    setValue = val;
+  }
+}.y = 42] of [[undefined]]) {
+  assert.sameValue(setValue, 42);
+
+  counter += 1;
+}
+
+assert.sameValue(counter, 1);

test/language/statements/for-of/dstr/array-elem-put-obj-literal-prop-ref-init.js

@@ -0,0 +1,78 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-assignment/array-elem-put-obj-literal-prop-ref-init.case
+// - src/dstr-assignment/default/for-of.template
+/*---
+description: The DestructuringAssignmentTarget of an AssignmentElement can extend to LHSExpressions if it is neither an ObjectLiteral nor an ArrayLiteral and its AssignmentTargetTyp is simple. Using MemberExpression (ObjLiteral + identifier) with initializer. (For..of statement)
+esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
+es6id: 13.7.5.11
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    IterationStatement :
+      for ( LeftHandSideExpression of AssignmentExpression ) Statement
+
+    1. Let keyResult be the result of performing ? ForIn/OfHeadEvaluation(« »,
+       AssignmentExpression, iterate).
+    2. Return ? ForIn/OfBodyEvaluation(LeftHandSideExpression, Statement,
+       keyResult, assignment, labelSet).
+
+    13.7.5.13 Runtime Semantics: ForIn/OfBodyEvaluation
+
+    [...]
+    4. If destructuring is true and if lhsKind is assignment, then
+       a. Assert: lhs is a LeftHandSideExpression.
+       b. Let assignmentPattern be the parse of the source text corresponding to
+          lhs using AssignmentPattern as the goal symbol.
+    [...]
+
+    Syntax
+
+    AssignmentPattern : ArrayAssignmentPattern
+    ArrayAssignmentPattern : [ AssignmentElementList ]
+    AssignmentElementList : AssignmentElisionElement
+    AssignmentElisionElement : Elision_opt AssignmentElement
+    AssignmentElement : DestructuringAssignmentTarget Initializer_opt
+    DestructuringAssignmentTarget : LeftHandSideExpression
+
+    Static Semantics: Early Errors
+
+    DestructuringAssignmentTarget : LeftHandSideExpression
+
+    - It is a Syntax Error if LeftHandSideExpression is either an ObjectLiteral or an ArrayLiteral and if LeftHandSideExpression is not covering an AssignmentPattern.
+    - It is a Syntax Error if LeftHandSideExpression is neither an ObjectLiteral nor an ArrayLiteral and AssignmentTargetType(LeftHandSideExpression) is not simple.
+
+    Runtime Semantics: DestructuringAssignmentEvaluation
+    ArrayAssignmentPattern : [ AssignmentElementList ]
+
+    1. Let iteratorRecord be ? GetIterator(value).
+    2. Let result be IteratorDestructuringAssignmentEvaluation of AssignmentElementList with argument iteratorRecord.
+    3. If iteratorRecord.[[Done]] is false, return ? IteratorClose(iteratorRecord, result).
+    4. Return result.
+
+    Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+    AssignmentElement : DestructuringAssignmentTarget Initializer
+
+    1. If DestructuringAssignmentTarget is neither an ObjectLiteral nor an ArrayLiteral, then
+      a. Let lref be the result of evaluating DestructuringAssignmentTarget.
+    ...
+    7. Return ? PutValue(lref, v).
+
+---*/
+var x, setValue;
+
+var counter = 0;
+
+for ([{
+  get y() {
+    throw new Test262Error('The property should not be accessed.');
+  },
+  set y(val) {
+    setValue = val;
+  }
+}.y = 42] of [[23]]) {
+  assert.sameValue(setValue, 23);
+
+  counter += 1;
+}
+
+assert.sameValue(counter, 1);

test/language/statements/for-of/dstr/array-elem-put-obj-literal-prop-ref.js

@@ -0,0 +1,78 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-assignment/array-elem-put-obj-literal-prop-ref.case
+// - src/dstr-assignment/default/for-of.template
+/*---
+description: The DestructuringAssignmentTarget of an AssignmentElement can extend to LHSExpressions if it is neither an ObjectLiteral nor an ArrayLiteral and its AssignmentTargetTyp is simple. Using MemberExpression (ObjLiteral + identifier). (For..of statement)
+esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
+es6id: 13.7.5.11
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    IterationStatement :
+      for ( LeftHandSideExpression of AssignmentExpression ) Statement
+
+    1. Let keyResult be the result of performing ? ForIn/OfHeadEvaluation(« »,
+       AssignmentExpression, iterate).
+    2. Return ? ForIn/OfBodyEvaluation(LeftHandSideExpression, Statement,
+       keyResult, assignment, labelSet).
+
+    13.7.5.13 Runtime Semantics: ForIn/OfBodyEvaluation
+
+    [...]
+    4. If destructuring is true and if lhsKind is assignment, then
+       a. Assert: lhs is a LeftHandSideExpression.
+       b. Let assignmentPattern be the parse of the source text corresponding to
+          lhs using AssignmentPattern as the goal symbol.
+    [...]
+
+    Syntax
+
+    AssignmentPattern : ArrayAssignmentPattern
+    ArrayAssignmentPattern : [ AssignmentElementList ]
+    AssignmentElementList : AssignmentElisionElement
+    AssignmentElisionElement : Elision_opt AssignmentElement
+    AssignmentElement : DestructuringAssignmentTarget Initializer_opt
+    DestructuringAssignmentTarget : LeftHandSideExpression
+
+    Static Semantics: Early Errors
+
+    DestructuringAssignmentTarget : LeftHandSideExpression
+
+    - It is a Syntax Error if LeftHandSideExpression is either an ObjectLiteral or an ArrayLiteral and if LeftHandSideExpression is not covering an AssignmentPattern.
+    - It is a Syntax Error if LeftHandSideExpression is neither an ObjectLiteral nor an ArrayLiteral and AssignmentTargetType(LeftHandSideExpression) is not simple.
+
+    Runtime Semantics: DestructuringAssignmentEvaluation
+    ArrayAssignmentPattern : [ AssignmentElementList ]
+
+    1. Let iteratorRecord be ? GetIterator(value).
+    2. Let result be IteratorDestructuringAssignmentEvaluation of AssignmentElementList with argument iteratorRecord.
+    3. If iteratorRecord.[[Done]] is false, return ? IteratorClose(iteratorRecord, result).
+    4. Return result.
+
+    Runtime Semantics: IteratorDestructuringAssignmentEvaluation
+    AssignmentElement : DestructuringAssignmentTarget Initializer
+
+    1. If DestructuringAssignmentTarget is neither an ObjectLiteral nor an ArrayLiteral, then
+      a. Let lref be the result of evaluating DestructuringAssignmentTarget.
+    ...
+    7. Return ? PutValue(lref, v).
+
+---*/
+var x, setValue;
+
+var counter = 0;
+
+for ([{
+  get y() {
+    throw new Test262Error('The property should not be accessed.');
+  },
+  set y(val) {
+    setValue = val;
+  }
+}.y] of [[23]]) {
+  assert.sameValue(setValue, 23);
+
+  counter += 1;
+}
+
+assert.sameValue(counter, 1);

test/language/statements/for-of/dstr/obj-prop-elem-target-obj-literal-prop-ref-init-active.js

@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-assignment/obj-prop-elem-target-obj-literal-prop-ref-init-active.case
+// - src/dstr-assignment/default/for-of.template
+/*---
+description: The DestructuringAssignmentTarget of an AssignmentElement can extend to LHSExpressions if it is neither an ObjectLiteral nor an ArrayLiteral and its AssignmentTargetTyp is simple. Using MemberExpression (ObjLiteral + identifier) with active initializer. (For..of statement)
+esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
+es6id: 13.7.5.11
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    IterationStatement :
+      for ( LeftHandSideExpression of AssignmentExpression ) Statement
+
+    1. Let keyResult be the result of performing ? ForIn/OfHeadEvaluation(« »,
+       AssignmentExpression, iterate).
+    2. Return ? ForIn/OfBodyEvaluation(LeftHandSideExpression, Statement,
+       keyResult, assignment, labelSet).
+
+    13.7.5.13 Runtime Semantics: ForIn/OfBodyEvaluation
+
+    [...]
+    4. If destructuring is true and if lhsKind is assignment, then
+       a. Assert: lhs is a LeftHandSideExpression.
+       b. Let assignmentPattern be the parse of the source text corresponding to
+          lhs using AssignmentPattern as the goal symbol.
+    [...]
+
+    Syntax
+
+    AssignmentPattern : ObjectAssignmentPattern
+    ObjectAssignmentPattern : { AssignmentPropertyList }
+    AssignmentPropertyList : AssignmentProperty
+    AssignmentProperty : PropertyName : AssignmentElement
+    AssignmentElement : DestructuringAssignmentTarget Initializer_opt
+    DestructuringAssignmentTarget : LeftHandSideExpression
+
+    Static Semantics: Early Errors
+
+    DestructuringAssignmentTarget : LeftHandSideExpression
+
+    - It is a Syntax Error if LeftHandSideExpression is either an ObjectLiteral or an ArrayLiteral and if LeftHandSideExpression is not covering an AssignmentPattern.
+    - It is a Syntax Error if LeftHandSideExpression is neither an ObjectLiteral nor an ArrayLiteral and AssignmentTargetType(LeftHandSideExpression) is not simple.
+
+    Runtime Semantics: DestructuringAssignmentEvaluation
+    ObjectAssignmentPattern : { AssignmentPropertyList }
+
+    1. Perform ? RequireObjectCoercible(value).
+    2. Perform ? PropertyDestructuringAssignmentEvaluation for AssignmentPropertyList using value as the argument.
+    3. Return NormalCompletion(empty).
+
+    Runtime Semantics: PropertyDestructuringAssignmentEvaluation
+
+    AssignmentProperty : PropertyName : AssignmentElement
+
+    1. Let name be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(name).
+    3. Perform ? KeyedDestructuringAssignmentEvaluation of AssignmentElement with value and name as the arguments.
+    4. Return a new List containing name.
+
+    Runtime Semantics: KeyedDestructuringAssignmentEvaluation
+
+    AssignmentElement : DestructuringAssignmentTarget Initializer
+
+    1. If DestructuringAssignmentTarget is neither an ObjectLiteral nor an ArrayLiteral, then
+      a. Let lref be the result of evaluating DestructuringAssignmentTarget.
+    ...
+
+---*/
+var setValue;
+
+var counter = 0;
+
+for ({ x: {
+  get y() {
+    throw new Test262Error('The property should not be accessed.');
+  },
+  set y(val) {
+    setValue = val;
+  }
+}.y = 42} of [{x: undefined}]) {
+  assert.sameValue(setValue, 42);
+
+  counter += 1;
+}
+
+assert.sameValue(counter, 1);

test/language/statements/for-of/dstr/obj-prop-elem-target-obj-literal-prop-ref-init.js

@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-assignment/obj-prop-elem-target-obj-literal-prop-ref-init.case
+// - src/dstr-assignment/default/for-of.template
+/*---
+description: The DestructuringAssignmentTarget of an AssignmentElement can extend to LHSExpressions if it is neither an ObjectLiteral nor an ArrayLiteral and its AssignmentTargetTyp is simple. Using MemberExpression (ObjLiteral + identifier) with initializer. (For..of statement)
+esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
+es6id: 13.7.5.11
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    IterationStatement :
+      for ( LeftHandSideExpression of AssignmentExpression ) Statement
+
+    1. Let keyResult be the result of performing ? ForIn/OfHeadEvaluation(« »,
+       AssignmentExpression, iterate).
+    2. Return ? ForIn/OfBodyEvaluation(LeftHandSideExpression, Statement,
+       keyResult, assignment, labelSet).
+
+    13.7.5.13 Runtime Semantics: ForIn/OfBodyEvaluation
+
+    [...]
+    4. If destructuring is true and if lhsKind is assignment, then
+       a. Assert: lhs is a LeftHandSideExpression.
+       b. Let assignmentPattern be the parse of the source text corresponding to
+          lhs using AssignmentPattern as the goal symbol.
+    [...]
+
+    Syntax
+
+    AssignmentPattern : ObjectAssignmentPattern
+    ObjectAssignmentPattern : { AssignmentPropertyList }
+    AssignmentPropertyList : AssignmentProperty
+    AssignmentProperty : PropertyName : AssignmentElement
+    AssignmentElement : DestructuringAssignmentTarget Initializer_opt
+    DestructuringAssignmentTarget : LeftHandSideExpression
+
+    Static Semantics: Early Errors
+
+    DestructuringAssignmentTarget : LeftHandSideExpression
+
+    - It is a Syntax Error if LeftHandSideExpression is either an ObjectLiteral or an ArrayLiteral and if LeftHandSideExpression is not covering an AssignmentPattern.
+    - It is a Syntax Error if LeftHandSideExpression is neither an ObjectLiteral nor an ArrayLiteral and AssignmentTargetType(LeftHandSideExpression) is not simple.
+
+    Runtime Semantics: DestructuringAssignmentEvaluation
+    ObjectAssignmentPattern : { AssignmentPropertyList }
+
+    1. Perform ? RequireObjectCoercible(value).
+    2. Perform ? PropertyDestructuringAssignmentEvaluation for AssignmentPropertyList using value as the argument.
+    3. Return NormalCompletion(empty).
+
+    Runtime Semantics: PropertyDestructuringAssignmentEvaluation
+
+    AssignmentProperty : PropertyName : AssignmentElement
+
+    1. Let name be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(name).
+    3. Perform ? KeyedDestructuringAssignmentEvaluation of AssignmentElement with value and name as the arguments.
+    4. Return a new List containing name.
+
+    Runtime Semantics: KeyedDestructuringAssignmentEvaluation
+
+    AssignmentElement : DestructuringAssignmentTarget Initializer
+
+    1. If DestructuringAssignmentTarget is neither an ObjectLiteral nor an ArrayLiteral, then
+      a. Let lref be the result of evaluating DestructuringAssignmentTarget.
+    ...
+
+---*/
+var setValue;
+
+var counter = 0;
+
+for ({ x: {
+  get y() {
+    throw new Test262Error('The property should not be accessed.');
+  },
+  set y(val) {
+    setValue = val;
+  }
+}.y = 42} of [{x: 23}]) {
+  assert.sameValue(setValue, 23);
+
+  counter += 1;
+}
+
+assert.sameValue(counter, 1);

test/language/statements/for-of/dstr/obj-prop-elem-target-obj-literal-prop-ref.js

@@ -0,0 +1,86 @@
+// This file was procedurally generated from the following sources:
+// - src/dstr-assignment/obj-prop-elem-target-obj-literal-prop-ref.case
+// - src/dstr-assignment/default/for-of.template
+/*---
+description: The DestructuringAssignmentTarget of an AssignmentElement can extend to LHSExpressions if it is neither an ObjectLiteral nor an ArrayLiteral and its AssignmentTargetTyp is simple. Using MemberExpression (ObjLiteral + identifier). (For..of statement)
+esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
+es6id: 13.7.5.11
+features: [destructuring-binding]
+flags: [generated]
+info: |
+    IterationStatement :
+      for ( LeftHandSideExpression of AssignmentExpression ) Statement
+
+    1. Let keyResult be the result of performing ? ForIn/OfHeadEvaluation(« »,
+       AssignmentExpression, iterate).
+    2. Return ? ForIn/OfBodyEvaluation(LeftHandSideExpression, Statement,
+       keyResult, assignment, labelSet).
+
+    13.7.5.13 Runtime Semantics: ForIn/OfBodyEvaluation
+
+    [...]
+    4. If destructuring is true and if lhsKind is assignment, then
+       a. Assert: lhs is a LeftHandSideExpression.
+       b. Let assignmentPattern be the parse of the source text corresponding to
+          lhs using AssignmentPattern as the goal symbol.
+    [...]
+
+    Syntax
+
+    AssignmentPattern : ObjectAssignmentPattern
+    ObjectAssignmentPattern : { AssignmentPropertyList }
+    AssignmentPropertyList : AssignmentProperty
+    AssignmentProperty : PropertyName : AssignmentElement
+    AssignmentElement : DestructuringAssignmentTarget Initializer_opt
+    DestructuringAssignmentTarget : LeftHandSideExpression
+
+    Static Semantics: Early Errors
+
+    DestructuringAssignmentTarget : LeftHandSideExpression
+
+    - It is a Syntax Error if LeftHandSideExpression is either an ObjectLiteral or an ArrayLiteral and if LeftHandSideExpression is not covering an AssignmentPattern.
+    - It is a Syntax Error if LeftHandSideExpression is neither an ObjectLiteral nor an ArrayLiteral and AssignmentTargetType(LeftHandSideExpression) is not simple.
+
+    Runtime Semantics: DestructuringAssignmentEvaluation
+    ObjectAssignmentPattern : { AssignmentPropertyList }
+
+    1. Perform ? RequireObjectCoercible(value).
+    2. Perform ? PropertyDestructuringAssignmentEvaluation for AssignmentPropertyList using value as the argument.
+    3. Return NormalCompletion(empty).
+
+    Runtime Semantics: PropertyDestructuringAssignmentEvaluation
+
+    AssignmentProperty : PropertyName : AssignmentElement
+
+    1. Let name be the result of evaluating PropertyName.
+    2. ReturnIfAbrupt(name).
+    3. Perform ? KeyedDestructuringAssignmentEvaluation of AssignmentElement with value and name as the arguments.
+    4. Return a new List containing name.
+
+    Runtime Semantics: KeyedDestructuringAssignmentEvaluation
+
+    AssignmentElement : DestructuringAssignmentTarget Initializer
+
+    1. If DestructuringAssignmentTarget is neither an ObjectLiteral nor an ArrayLiteral, then
+      a. Let lref be the result of evaluating DestructuringAssignmentTarget.
+    ...
+
+---*/
+var setValue;
+
+var counter = 0;
+
+for ({ x: {
+  get y() {
+    throw new Test262Error('The property should not be accessed.');
+  },
+  set y(val) {
+    setValue = val;
+  }
+}.y} of [{x: 23}]) {
+  assert.sameValue(setValue, 23);
+
+  counter += 1;
+}
+
+assert.sameValue(counter, 1);